In one paragraph, explain how World War I led to significant changes in society. Use specific details from the lesson and the reading to support your answer.

World War I led to significant changes in society. ... The horrors of the war led to disquiet among many types of people. Individuals began to question the foundations of society, morality, and their conception of the world. People also began to break away from old societal traditions, leading to a looser, freer society.

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation: